OpenTechnical

OT-2026-000045497

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, sustained blow-off after set-down

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000045497) never changes.

Identity and time

Publication numberOT-2026-000045497 · never reused
Internal UUID01a0ae7c-f76d-7cb7-a9fa-da6b5a2b7204 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:20.545172Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045497
StatusPUBLIC

Content hashes

Canonical text55f70a68c5267838db85bd8f8a2e412676e4e9f5826667a8af1334c28b60fce0
Markdownb2c0ef452c60dc24246029a925451ffebc3cdf5e555b76ce4e29cb1c14b4eb0d
PDF
Publication page85a6ba5eab7afbddd89be9fdb1b4b36bc3366cbf897b97f3047024852545d443
Manifest4678f572f8c2c65fb36ff7bd5ae46d96b04f7ea02ec25a81202ac738e56b75b8

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignaturegdXb6STWIEY1KxNnudJXRo4TMyAxvi/TMKjcl4vokve5tfVT0fXcme1Tf8hJjpH4kBSmIW8S3PPK6Oqx193hCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:11:18.879042ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045497
observed 85a6ba5eab7afbddd89be9fdb1b4b36b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:18.858948ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045497/manifest.json
observed 4678f572f8c2c65fb36ff7bd5ae46d96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:18.840068ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045497/publication.md
observed b2c0ef452c60dc24246029a925451ffe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:18.821378ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045497/publication.txt
observed 55f70a68c5267838db85bd8f8a2e4126...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.